Restarted HA, factory reset the sensor and here’s the log from the latest attempt.
2018-02-17 08:36:39.875 Detail, Queuing (Controller) Add Device
2018-02-17 08:36:39.876 Info, Add Device
2018-02-17 08:36:39.876 Detail, contrlr, Queuing (Command) ControllerCommand_AddDevice: 0x01, 0x05, 0x00, 0x4a, 0xc1, 0x0a, 0x7b
2018-02-17 08:36:39.877 Detail, Notification: ControllerCommand - Starting
2018-02-17 08:36:39.916 Detail,
2018-02-17 08:36:39.916 Info, contrlr, Sending (Command) message (Callback ID=0x0a, Expected Reply=0x4a) - ControllerCommand_AddDevice: 0x01, 0x05, 0x00, 0x4a, 0xc1, 0x0a, 0x7b
2018-02-17 08:36:39.920 Detail, contrlr, Received: 0x01, 0x07, 0x00, 0x4a, 0x0a, 0x01, 0x00, 0x00, 0xb9
2018-02-17 08:36:39.928 Detail,
2018-02-17 08:36:39.928 Info, contrlr, FUNC_ID_ZW_ADD_NODE_TO_NETWORK:
2018-02-17 08:36:39.928 Info, contrlr, ADD_NODE_STATUS_LEARN_READY
2018-02-17 08:36:39.929 Detail, Node001, Expected callbackId was received
2018-02-17 08:36:39.929 Detail, Node001, Expected reply was received
2018-02-17 08:36:39.929 Detail, Node001, Message transaction complete
2018-02-17 08:36:39.929 Detail,
2018-02-17 08:36:39.929 Detail, contrlr, Removing current message
2018-02-17 08:36:39.929 Detail, Notification: ControllerCommand - Waiting
2018-02-17 08:36:39.956 Info, WriteNextMsg Controller nothing to do
2018-02-17 08:36:48.160 Detail, Received: 0x01, 0x07, 0x00, 0x4a, 0x0a, 0x02, 0x00, 0x00, 0xba
2018-02-17 08:36:48.160 Detail,
2018-02-17 08:36:48.160 Info, FUNC_ID_ZW_ADD_NODE_TO_NETWORK:
2018-02-17 08:36:48.160 Info, ADD_NODE_STATUS_NODE_FOUND
2018-02-17 08:36:48.160 Detail, Notification: ControllerCommand - InProgress
2018-02-17 08:36:51.358 Detail, Received: 0x01, 0x07, 0x00, 0x4a, 0x0a, 0x07, 0x00, 0x00, 0xbf
2018-02-17 08:36:51.358 Detail,
2018-02-17 08:36:51.358 Info, FUNC_ID_ZW_ADD_NODE_TO_NETWORK:
2018-02-17 08:36:51.358 Info, ADD_NODE_STATUS_FAILED
2018-02-17 08:36:51.358 Detail, Removing current message
2018-02-17 08:36:51.358 Detail, contrlr, Queuing (Command) Add Node Stop: 0x01, 0x04, 0x00, 0x4a, 0x05, 0xb4
2018-02-17 08:36:51.359 Detail, Notification: ControllerCommand - Failed
2018-02-17 08:36:51.372 Detail,
2018-02-17 08:36:51.372 Info, contrlr, Sending (Command) message (Callback ID=0x00, Expected Reply=0x4a) - Add Node Stop: 0x01, 0x04, 0x00, 0x4a, 0x05, 0xb4
2018-02-17 08:36:51.426 Detail, contrlr, Received: 0x01, 0x07, 0x00, 0x4a, 0x0a, 0x06, 0x00, 0x00, 0xbe
2018-02-17 08:36:51.426 Detail,
2018-02-17 08:36:51.426 Info, contrlr, FUNC_ID_ZW_ADD_NODE_TO_NETWORK:
2018-02-17 08:36:51.426 Detail, Node006, Expected reply was received
2018-02-17 08:36:51.426 Detail, Node006, Message transaction complete
2018-02-17 08:36:51.426 Detail,
2018-02-17 08:36:51.426 Detail, contrlr, Removing current message
2018-02-17 08:36:51.427 Detail, Notification: ControllerCommand - Completed